28836774 has 24 divisors (see below), whose sum is σ = 63506352. Its totient is φ = 9454320.

The previous prime is 28836761. The next prime is 28836791. The reversal of 28836774 is 47763882.

It is a happy number.

28836774 is a `hidden beast` number, since 288 + 367 + 7 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12034 + ... + 14229.

It is an arithmetic number, because the mean of its divisors is an integer number (2646098).

Almost surely, 2^28836774 is an apocalyptic number.

28836774 is an abundant number, since it is smaller than the sum of its proper divisors (34669578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28836774 is a wasteful number, since it uses less digits than its factorization.

28836774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26332 (or 26329 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 28836774 is about 5369.9882681436. The cubic root of 28836774 is about 306.6541816488.

The spelling of 28836774 in words is "twenty-eight million, eight hundred thirty-six thousand, seven hundred seventy-four".